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| Patents for Penrose E. Chapman Sr. | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,242,053 | May 13, 1941 | P.E. Chapman, Sr. | Wire despooling device | ||
| 2,320,264 | May 25, 1943 | P.E. Chapman, Sr. | Wire tensioning device | ||